User stories for review.

@hughhn @rcarino @josemontesdeoca @jaredzimmerman 

Proposed user stories for KIPP.  Please review.  Also, additional clarifying questions here:
https://docs.google.com/document/d/1hFFxBRcWRuEXc62et_yvSRwbhLXH4CCz7YCU4DHXhvI/edit

Define what elements students can edit. Do parents need to approve edits?